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WO2010149490A1 - Lecteur rfid et système rfid - Google Patents

Lecteur rfid et système rfid Download PDF

Info

Publication number
WO2010149490A1
WO2010149490A1 PCT/EP2010/057984 EP2010057984W WO2010149490A1 WO 2010149490 A1 WO2010149490 A1 WO 2010149490A1 EP 2010057984 W EP2010057984 W EP 2010057984W WO 2010149490 A1 WO2010149490 A1 WO 2010149490A1
Authority
WO
WIPO (PCT)
Prior art keywords
document
antenna
rfid
reader
rfi
Prior art date
Application number
PCT/EP2010/057984
Other languages
German (de)
English (en)
Inventor
Markus Tietke
Frank Fritze
Jörg Fischer
Original Assignee
Bundesdruckerei Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei Gmbh filed Critical Bundesdruckerei Gmbh
Priority to JP2012516620A priority Critical patent/JP5653425B2/ja
Priority to US13/319,360 priority patent/US8872721B2/en
Priority to CN201080026625.5A priority patent/CN102460482B/zh
Priority to EP10721035.3A priority patent/EP2446400B1/fr
Priority to KR1020117028041A priority patent/KR101693064B1/ko
Publication of WO2010149490A1 publication Critical patent/WO2010149490A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles

Definitions

  • the invention relates to an RFI D reader and an RFID system.
  • RFID systems are known per se, in which by means of high-frequency radio signals in the radio frequency (RF) range communication takes place.
  • RF radio frequency
  • the invention is the object of the invention to provide an improved RFID reader and an improved RFID system.
  • the objects underlying the invention are each achieved with the features of the independent claims. Embodiments of the invention are indicated in the dependent claims.
  • an RFID reader having a transmit antenna and a receive antenna, the transmit antenna being spaced from the receive antenna by a first distance, the transmit antenna having transmit antenna windings lying in a first plane and the receive antenna having receive antenna windings, which are in a second plane and means for positioning an RFID document at a position spaced from the transmitting antenna by a second distance, the transmitting antenna being disposed between the receiving antenna and the position
  • An RFI D document is here understood to mean any document that contains an RFID circuit, such as a so-called RFID chip. With the aid of its RFID circuit, the RFID document can receive RF signals from the RFID reader and send RF signals to the RFID reader.
  • the RF signals of an RF carrier wave may be modulated, where the carrier wave may have a frequency in the megahertz range, such as 13.56 MHz.
  • An RFID document is understood to mean, in particular, a value or security document, such as an identity document, ie an ID document, in particular an identity card, passport, driver's license, company identity card or a means of payment, such as a banknote, a credit card or any other Proof of Entitlement, such as an entrance ticket, bill of lading, visa or similar.
  • the RFID document has a document body that may be paper-based and / or plastic-based. In particular, the document may be a smart card.
  • An RFID reader here means any device that can exchange RF signals with an RFID document, in particular in order to read out data from an electronic memory of the RFID document.
  • Embodiments of the invention are particularly advantageous because due to the positioning of the RFID document relative to the transmitting antenna, the RFID signals transmitted by the RFID document are mirrored at the transmitting antenna, so that the RFID signals from the receiving antenna with an improved signal Noise Ratio (SNR) can be received.
  • SNR signal Noise Ratio
  • the second distance is at least 0.7 times the first distance.
  • the second distance is at least 0.8 times the first distance.
  • the first and second distances may be the same. It is also possible that the second distance is substantially greater than the first distance, such as 2 or 3 times the first distance.
  • the transmitting antenna windings and the receiving antenna windings are arranged concentrically with each other.
  • the transmitting antenna windings and / or the receiving antenna windings may be circular or rectangular.
  • the first and the second planes are parallel to each other.
  • the means for positioning the RFID document are arranged such that a document antenna winding of the RFID document is concentric with the transmit antenna and receive antenna windings when the RFID document is in position.
  • the means for positioning the RFID document may be configured such that a third plane in which the document antenna windings lie is parallel to the first and second planes when the RFID document is in position.
  • the RFI D reader has an RF transmitter connected to the transmit antenna to generate a field having a field strength greater than 7.5 A / m at the position. The RF transmitter thus transmits a carrier wave whose field strength at the position is more than 7.5 A / m. This carrier wave, the RF transmitter can modulate an RF signal to send this to the RFID document when the RFID document is in position.
  • the RFID reader further has control means arranged to drive the RF transmitter at the position in a reception interval for generating the field with the field strength of more than 7.5 A / m, so that an RF signal, which the RFID document is sent to the RFID reader, this field is superimposed.
  • the RFID reader can thus be designed such that the carrier wave is transmitted not only in a transmission interval during which an RF signal from the RFID reader to the RFID document, but also during a reception interval, during which an RF signal is sent from the RFID document to the RFID reader.
  • the carrier wave is not transmitted during the entire transmission interval or reception interval, but is pulsed with interruptions or varying field strength, for example.
  • the field strength of the carrier wave is more than 10 A / m, in particular more than 15 A / m, in particular up to 20 A / m. Due to the high field strength, a correspondingly large power can be coupled into the RFID document. This is particularly advantageous when the RFID document has no energy storage or an energy storage of a small capacity, so that the operation of the RFID document constantly energy must be injected. In particular, this is advantageous for RFID documents without integrated primary battery. This is particularly advantageous for ID documents without a primary battery, in which the primary battery otherwise required for a high power consumption of the document would frequently be exchanged or would severely limit the life of the ID card.
  • Embodiments of the invention are also of particular advantage for RFID documents with an integrated display device, in particular an emissive display device.
  • an emissive display device requires a relatively high power for its operation, which can be coupled into the document by means of the document antenna due to the large field strength of the carrier wave generated by the RF transmitter.
  • the first distance between the transmitting antenna and the receiving antenna is between 5 and 25 mm.
  • the RFI D reader has a support surface for the RFID document that is at the second distance from the transmit antenna is spaced.
  • the support surface so here the means for positioning the RFID document are formed.
  • the support surface may include a landing edge or other positioning aid to position the RFID document within the plane formed by the support surface relative to the RFI D reader.
  • the RFI D reading device for communicating with the RFID document is designed according to a Near Field Communication (NFC) standard.
  • NFC Near Field Communication
  • the invention relates to an RFID system which includes an embodiment of a reader according to the invention and at least one RFID document.
  • the RFID document has a document antenna with document antenna windings lying in a third plane.
  • the document antenna windings may be concentric with the transmit antenna windings and / or the receive antenna windings.
  • the RFID document may be configured such that the third plane in which the document antenna windings lie runs parallel to the first and second planes when the RFID document is in the position.
  • the transmitting antenna, the receiving antenna and the document antenna may have the same diameter.
  • the number of windings of the transmit, receive and document antennas depends on the required voltage.
  • the transmitting antenna can have from 1 to 8 transmitting antenna windings, in particular two transmitting antenna windings. fertilize, have.
  • the receiving antenna can have, for example, 1 to 5 receiving antenna windings, in particular a receiving antenna winding.
  • the document antenna can have, for example, 2 to 6 aerial antenna windings, in particular 5 or 6 aerial antenna windings.
  • FIG. 1 shows a block diagram of an embodiment of an RFID reader according to the invention and an RFID system according to the invention
  • FIG. 2 shows the embodiment of FIG. 1 after an RFID document has been positioned on the RFID reader
  • Figure 3 is a schematic representation of the field and the reflection of an RF signal which is sent from the RFID document.
  • FIG. 1 shows an RFID reader 100 with a transmitting antenna 102 and a receiving antenna 104.
  • the transmitting antenna 102 has at least one transmitting antenna winding 106, which runs in a first plane 108.
  • the planes 108 and 112 may be parallel to each other.
  • the transmitting antenna 102 and the receiving antenna 104 have a first distance 114 from each other.
  • the RFID reader 100 further has an RF transmitter 116 with an RF generator 1 18, which is designed to generate a carrier wave, which is dependent on the transmitting antenna. Tenne 102 is radiated. Further, the RF transmitter 116 has a modulator 120 which serves to modulate an RF signal to the carrier wave.
  • the RFID reader 100 further has a receiver 122 connected to the receiving antenna 104 for receiving an RF signal transmitted from an RFID document 124.
  • the RFID reader 100 further has a processor 126 for executing program instructions 128 by which the transmitter 116 and / or the receiver 122 are controlled.
  • the RFID reader 100 has means for positioning the RFID document 124 relative to the transmitting antenna 102 and the receiving antenna 104. These positioning means are here formed by a bearing surface 130 which is arranged on the upper side of the RFI D reading device 100 , The bearing surface 130 has a projection 132 extending in the vertical direction, by means of which a contact edge for positioning the RFID document 124 on the bearing surface 130 is formed.
  • the RFID document 124 has a document antenna with at least one document antenna winding 134 running in a third plane 136.
  • the document antenna serves both to receive RF signals and to transmit RF signals and in addition to inject energy into the RFID document 124.
  • the RFID document 124 has a circuit 138, such as a so-called RFID chip, wherein the circuit 138 may be integrated in a document body of the RFID document 124.
  • the circuit 138 has a processor 140 for executing program instructions as well as an electronic memory 142 and a driver 144 for a display device 146, which may also be integrated in the document body.
  • One or more images may be stored in the electronic memory 142.
  • execution of the program instructions is started by the processor 140 so that the memory 142 is accessed to drive the driver 144 to display the images on the display device 146.
  • the RFID document 124 may be embodied as an electronic identity card, wherein one or more passport photos are then output on the display device 146.
  • the display device 146 may be designed, in particular, as an emissive display, in particular as an OLED display.
  • Further data may be stored in the memory 142, such as information about the carrier of the RFID document 124, in particular name, place of residence, date of birth, etc., and / or biometric data, such as fingerprint or iriscan data.
  • This data can be read out of the memory 142 by means of RF communication from the RFID reader 100.
  • a unilateral or mutual authentication of the RFID reader 100 and the RFID document 124 may be required, in particular according to a basic access control protocol and / or an extended access control protocol.
  • FIG. 2 shows the RFID reader 100 after the RFID document 124 has been brought into its position, in which the exchange of RF signals between the RFID reader 100 and the RFID document 124 is to take place.
  • the document antenna from the transmit antenna has a second distance 148 which is at least 0.7 times the distance 114.
  • the distance 148 is approximately equal to the distance 114 or the distance 148 is greater than the distance 114.
  • the plane 136 is preferably parallel to the planes 108 and 112 in this position.
  • the transmit antenna winding 106, the receive antenna winding 110, and the document antenna winding 134 are preferably concentric with each other; the transmitting antenna 102, the receiving antenna 104 and the document antenna also preferably have the same diameters.
  • the transmitter is driven by the processor 126 to radiate a carrier wave with the aid of the transmitter antenna 102.
  • the aid of the document antenna winding 134 energy is coupled from the carrier wave into the RFID document 124, so that the execution of the program instructions by the processor 140 begins and the images are displayed on the display 146.
  • the modulator 120 is driven by the processor 126 to modulate the carrier wave an RF signal which can be radiated by the transmitting antenna 102 and received by the document antenna.
  • the information content of the RF signal is processed by execution of the program instructions from the processor 140, and a response RF signal is then generated by the processor 140.
  • the response RF signal is then transmitted from the RFID document 124 at a reception interval subsequent to the transmission interval so that the response RF signal can be received by the receive antenna 104.
  • the response RF signal is demodulated by the receiver 122 and the received data is input to the processor 126 for further processing.
  • the radiation of the carrier wave by the RFID reader 100 can also take place during the reception interval, so that the response RF signal is superimposed on the carrier wave. Due to the symmetry of the arrangement, however, reliable reception of the response RF signal by means of the receiving antenna 104 is possible.
  • FIG. 3 schematically shows the field of the carrier wave 150 which emits the transmitting antenna 102.
  • a field modification of the amount ⁇ generated in the second distance 148, ie ⁇ zi, by the document antenna 152 is mirrored by the transmitting antenna windings 106, so that in the distance 114, ie - ⁇ z 2 , a corresponding field change ⁇ results. If the magnitudes of Az 1 and ⁇ z 2 are equal, ⁇ is ideally equal to ⁇ .

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Near-Field Transmission Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Support Of Aerials (AREA)

Abstract

L’invention concerne un lecteur RFID doté d’une antenne d’émission (102) et d’une antenne de réception (104), un premier écart (114) séparant l’antenne d’émission de l’antenne de réception, l’antenne d’émission comprenant des enroulements d’antenne d’émission (106) situés dans un premier plan (108), et l’antenne de réception comprenant des enroulements d’antenne de réception (110) situés dans un second plan (112), et doté de moyens (130, 132) permettant de positionner un document RFID dans une position distante de l’antenne d’émission selon un second écart (148), l’antenne d’émission étant disposée entre l’antenne de réception et la position.
PCT/EP2010/057984 2009-06-23 2010-06-08 Lecteur rfid et système rfid WO2010149490A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012516620A JP5653425B2 (ja) 2009-06-23 2010-06-08 Ｒｆｉｄシステム
US13/319,360 US8872721B2 (en) 2009-06-23 2010-06-08 RFID reader and RFID system
CN201080026625.5A CN102460482B (zh) 2009-06-23 2010-06-08 无线射频识别阅读器和无线射频识别系统
EP10721035.3A EP2446400B1 (fr) 2009-06-23 2010-06-08 Lecteur et systeme rfid
KR1020117028041A KR101693064B1 (ko) 2009-06-23 2010-06-08 Ｒｆｉｄ 판독기 및 ｒｆｉｄ 시스템

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009027123.6 2009-06-23
DE200910027123 DE102009027123A1 (de) 2009-06-23 2009-06-23 RFID-Lesegerät und RFID-System

Publications (1)

Publication Number Publication Date
WO2010149490A1 true WO2010149490A1 (fr) 2010-12-29

Family

ID=42341698

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/057984 WO2010149490A1 (fr) 2009-06-23 2010-06-08 Lecteur rfid et système rfid

Country Status (7)

Country Link
US (1) US8872721B2 (fr)
EP (1) EP2446400B1 (fr)
JP (1) JP5653425B2 (fr)
KR (1) KR101693064B1 (fr)
CN (1) CN102460482B (fr)
DE (1) DE102009027123A1 (fr)
WO (1) WO2010149490A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8872721B2 (en) 2009-06-23 2014-10-28 Bundesdruckerei Gmbh RFID reader and RFID system

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
KR101316875B1 (ko) 2012-03-27 2013-10-10 기아자동차주식회사 배기가스 재순환 제어장치 및 배기가스 재순환 제어방법
US9495586B1 (en) 2013-09-18 2016-11-15 IDChecker, Inc. Identity verification using biometric data
US8995774B1 (en) 2013-09-19 2015-03-31 IDChecker, Inc. Automated document recognition, identification, and data extraction
US9665754B2 (en) 2014-05-28 2017-05-30 IDChecker, Inc. Identification verification using a device with embedded radio-frequency identification functionality
US11640582B2 (en) 2014-05-28 2023-05-02 Mitek Systems, Inc. Alignment of antennas on near field communication devices for communication
US11461567B2 (en) 2014-05-28 2022-10-04 Mitek Systems, Inc. Systems and methods of identification verification using hybrid near-field communication and optical authentication
US12198215B2 (en) 2014-05-28 2025-01-14 Mitek Systems, Inc. Self-sovereign identity systems and methods for identification documents
KR101511298B1 (ko) * 2014-06-12 2015-04-13 (주) 듀얼아이 반송파 억압안테나를 구비한 초고속통신 전자신분증 판독장치
DE102015106358B4 (de) * 2015-04-24 2020-07-09 Bundesdruckerei Gmbh Bilderfassungsvorrichtung zur Aufnahme von Bildern für die Personenidentifikation
DE102017105649A1 (de) 2017-03-16 2018-09-20 Bundesdruckerei Gmbh RFID-Lesegerät und Verfahren zu seiner Herstellung
FR3090254B1 (fr) * 2018-12-12 2022-12-16 Idemia France Accès sécurise à des données chiffrées d’un terminal utilisateur
CN111695366B (zh) * 2019-03-14 2024-03-01 北京京东乾石科技有限公司 一种用于结算通道的电子标签读取方法和装置
FR3103327B1 (fr) * 2019-11-18 2024-04-05 Psa Automobiles Sa Dispositif de détection d’éléments d’identification à métasurface(s) relais, pour un système
CN113469314B (zh) * 2021-09-02 2021-11-30 深圳市成为信息技术有限公司 基于rfid天线的文件智能定位方法、系统及存储介质

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US6027027A (en) * 1996-05-31 2000-02-22 Lucent Technologies Inc. Luggage tag assembly
US7333786B2 (en) 2003-10-01 2008-02-19 Sony Corporation Relaying apparatus and communication system
WO2008145505A1 (fr) 2007-05-25 2008-12-04 Bundesdruckerei Gmbh Document de valeur ou de sécurité, procédé de reproduction d'une séquence d'images et produit-programme d'ordinateur

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
EP2446400A1 (fr) 2012-05-02
KR101693064B1 (ko) 2017-01-04
JP5653425B2 (ja) 2015-01-14
JP2012530989A (ja) 2012-12-06
KR20120031163A (ko) 2012-03-30
US20120154246A1 (en) 2012-06-21
US8872721B2 (en) 2014-10-28
CN102460482A (zh) 2012-05-16
CN102460482B (zh) 2015-05-06
DE102009027123A1 (de) 2010-12-30
EP2446400B1 (fr) 2015-09-02

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